diff --git a/.travis.yml b/.travis.yml
index f223d50..ace695c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ after_success:
   - docker save nghttpx > nghttpx.docker
   - ./docker2aci nghttpx.docker && mv nghttpx-latest.aci nghttpx.linux.amd64.aci
   - xz nghttpx.docker
-  - sha512sum nghttpx.*
+  - sha512sum nghttpx.* > SHA512SUM
 deploy:
   provider: releases
   api_key: